diff options
| -rw-r--r-- | drivers/hwtracing/coresight/coresight-tmc.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/hwtracing/coresight/coresight-tmc.c b/drivers/hwtracing/coresight/coresight-tmc.c index 2a02da3d630f..647b6aa93554 100644 --- a/drivers/hwtracing/coresight/coresight-tmc.c +++ b/drivers/hwtracing/coresight/coresight-tmc.c @@ -340,6 +340,8 @@ static inline bool tmc_etr_can_use_sg(struct tmc_drvdata *drvdata) static int tmc_etr_setup_caps(struct tmc_drvdata *drvdata, u32 devid, void *dev_caps) { + int rc; + u32 dma_mask = 0; /* Set the unadvertised capabilities */ @@ -369,7 +371,10 @@ static int tmc_etr_setup_caps(struct tmc_drvdata *drvdata, dma_mask = 40; } - return dma_set_mask_and_coherent(drvdata->dev, DMA_BIT_MASK(dma_mask)); + rc = dma_set_mask_and_coherent(drvdata->dev, DMA_BIT_MASK(dma_mask)); + if (rc) + dev_err(drvdata->dev, "Failed to setup DMA mask: %d\n", rc); + return rc; } static int tmc_probe(struct amba_device *adev, const struct amba_id *id) |